The study aimed to Identify the personal, social, economic and communicative characteristics of the farmers in Al-Kassic Region, identify the Farmers's awareness of the negative effects of weed seeds in organic fertilizers at the study area, and determine the correlation between some of the independent variables studied and the level of Farmers's awareness in negative effects of weed seeds. The study was conducted in Al-Kassic Region\Talafer District\Iraq; systematic random sample was selected from farmers (152 respondents). Data were collected by questionnaire through personal interviews, Pearson simple Correlation was used, percentages coefficient to data analysis.